/**
 * Copyright (c) 2015-2016, Michael Yang 杨福海 (fuhai999@gmail.com).
 * <p>
 * Licensed under the GNU Lesser General Public License (LGPL) ,Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.gnu.org/licenses/lgpl-3.0.txt
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.jpress.ui.freemarker.tag;

import com.jfinal.core.JFinal;
import com.jfinal.plugin.activerecord.Page;
import io.jpress.core.render.freemarker.BasePaginateTag;
import io.jpress.core.render.freemarker.JTag;
import io.jpress.model.Content;
import io.jpress.model.query.ContentQuery;
import io.jpress.utils.StringUtils;

import javax.servlet.http.HttpServletRequest;
import java.math.BigInteger;

public class IndexPageTag extends JTag {

    public static final String TAG_NAME = "jp.indexPage";

    int pageNumber;
    String pagePara;
    String orderBy;
    HttpServletRequest request;

    public IndexPageTag(HttpServletRequest request, String pagePara, int pageNumber, String orderBy) {
        this.pagePara = pagePara;
        if (pageNumber < 1) {
            pageNumber = 1;
        }
        this.pageNumber = pageNumber;
        this.request = request;
        this.orderBy = orderBy;
    }

    @Override
    public void onRender() {

        orderBy = StringUtils.isBlank(orderBy) ? getParam("orderBy") : orderBy;
        String keyword = getParam("keyword");

        int pagesize = getParamToInt("pageSize", 10);

        BigInteger[] typeIds = getParamToBigIntegerArray("typeId");
        String[] modules = getParamToStringArray("module");
        String status = getParam("status", Content.STATUS_NORMAL);

        Page<Content> page = ContentQuery.me().paginate(pageNumber, pagesize, modules, keyword, status, typeIds, null, orderBy);
        setVariable("page", page);
        setVariable("contents", page.getList());

        IndexPaginateTag pagination = new IndexPaginateTag(request, page, pagePara);
        setVariable("pagination", pagination);

        renderBody();
    }

    public static class IndexPaginateTag extends BasePaginateTag {

        String pagePara;
        HttpServletRequest request;

        public IndexPaginateTag(HttpServletRequest request, Page<Content> page, String pagePara) {
            super(page);
            this.request = request;
            this.pagePara = pagePara;
        }

        @Override
        protected String getUrl(int pageNumber) {
            String url = JFinal.me().getContextPath() + "/";

            if (StringUtils.isNotBlank(pagePara)) {
                url += pagePara + "-" + pageNumber;
            } else {
                url += pageNumber;
            }

            if (enalbleFakeStatic()) {
                url += getFakeStaticSuffix();
            }

            String queryString = request.getQueryString();
            if (StringUtils.isNotBlank(queryString)) {
                url += "?" + queryString;
            }

            if (StringUtils.isNotBlank(getAnchor())) {
                url += "#" + getAnchor();
            }

            return url;
        }

    }

}
